package w17;

public class StudentTest {

	public static void main(String[] args) {
		Student s1 = new Student();
		//s1.name="张三";
		s1.showMessage();
		s1.setName("李四");
		s1.setAge(18);
		System.out.println( s1.getName() );
		s1.showMessage();

	}

}
